///////////////////////////////////////////////////////////////////////////////
//
//                          IMPORTANT NOTICE
//
// The following open source license statement does not apply to any
// entity in the Exception List published by FMSoft.
//
// For more information, please visit:
//
// https://www.fmsoft.cn/exception-list
//
//////////////////////////////////////////////////////////////////////////////
/*
 *   This file is part of MiniGUI, a mature cross-platform windowing
 *   and Graphics User Interface (GUI) support system for embedded systems
 *   and smart IoT devices.
 *
 *   Copyright (C) 2002~2018, Beijing FMSoft Technologies Co., Ltd.
 *   Copyright (C) 1998~2002, WEI Yongming
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *   Or,
 *
 *   As this program is a library, any link to this program must follow
 *   GNU General Public License version 3 (GPLv3). If you cannot accept
 *   GPLv3, you need to be licensed from FMSoft.
 *
 *   If you have got a commercial license of this program, please use it
 *   under the terms and conditions of the commercial license.
 *
 *   For more information about the commercial license, please refer to
 *   <http://www.minigui.com/blog/minigui-licensing-policy/>.
 */

#ifndef _3DFX_REGS_H
#define _3DFX_REGS_H

/* This information comes from the public 3Dfx specs for the Voodoo 3000 */

/* mapped_io register offsets */
#define TDFX_STATUS    0x00

#define INTCTRL        (0x00100000 + 0x04)
#define CLIP0MIN    (0x00100000 + 0x08)
#define CLIP0MAX    (0x00100000 + 0x0c)
#define DSTBASE        (0x00100000 + 0x10)
#define DSTFORMAT    (0x00100000 + 0x14)
#define SRCCOLORKEYMIN    (0x00100000 + 0x18)
#define SRCCOLORKEYMAX    (0x00100000 + 0x1c)
#define DSTCOLORKEYMIN    (0x00100000 + 0x20)
#define DSTCOLORKEYMAX    (0x00100000 + 0x24)
#define BRESERROR0    (0x00100000 + 0x28)
#define BRESERROR1    (0x00100000 + 0x2c)
#define ROP_2D        (0x00100000 + 0x30)
#define SRCBASE        (0x00100000 + 0x34)
#define COMMANDEXTRA_2D    (0x00100000 + 0x38)
#define PATTERN0    (0x00100000 + 0x44)
#define PATTERN1    (0x00100000 + 0x48)
#define CLIP1MIN    (0x00100000 + 0x4c)
#define CLIP1MAX    (0x00100000 + 0x50)
#define SRCFORMAT    (0x00100000 + 0x54)
#define SRCSIZE        (0x00100000 + 0x58)
#define SRCXY        (0x00100000 + 0x5c)
#define COLORBACK    (0x00100000 + 0x60)
#define COLORFORE    (0x00100000 + 0x64)
#define DSTSIZE        (0x00100000 + 0x68)
#define DSTXY        (0x00100000 + 0x6c)
#define COMMAND_2D    (0x00100000 + 0x70)
#define LAUNCH_2D    (0x00100000 + 0x80)
#define PATTERNBASE    (0x00100000 + 0x100)

#define COMMAND_3D    (0x00200000 + 0x120)

/* register bitfields (not all, only as needed) */

#define BIT(x) (1UL << (x))

#define COMMAND_2D_BITBLT        0x01
#define COMMAND_2D_FILLRECT        0x05
#define COMMAND_2D_LINE            0x06
#define COMMAND_2D_POLYGON_FILL        0x08
#define COMMAND_2D_INITIATE        BIT(8)
#define COMMAND_2D_REVERSELINE        BIT(9)
#define COMMAND_2D_STIPPLELINE        BIT(12)
#define COMMAND_2D_MONOCHROME_PATT    BIT(13)
#define COMMAND_2D_MONOCHROME_TRANSP    BIT(16)

#define COMMAND_3D_NOP            0x00

#define STATUS_RETRACE            BIT(6)
#define STATUS_BUSY            BIT(9)

#endif /* _3DFX_REGS_H */

